Capacity - 5500 VA , Maximum bulb load - 3800 W Technology - Sine Wave Technology No of battery supported - Six (6) Battery (12V each) Display: State of the art LCD display which shows real time Inverter battery performance statistics Charging current: User settable charging current between (8A-21A) for optimized performance. Optimized performance: User settable Output voltage between (200V-240V) to optimize between Longer Backup time and Performance Mode selector: Eco and UPS mode availability Safety for your home: Complete safety for your home with protection features and alarms on short circuit, overload, Over temperature and low battery and safety for your equipment's as it supplies grid like power to the connected load Battery Supported: Supports all Battery types (Flat, Tubular and SMF) and all battery capacities (80Ah-250Ah) Optimus series is a micro controller based advanced Pure Sine wave inverter series with Premium design, informative LCD display that shows 8 real time performance statistics including charging time, backup time at current load, running load status, fault indications and much more. It offers flexibility to user to choose between higher backup time vs better performance by controlling output voltage. The series is equipped with mains by-pass switch, battery charging current setting which makes Optimus inverter series best for your household, commercial and office needs.